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[enh] Simplify by removing subprocess + add comment

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This commit is contained in:
Gofannon 2020-08-25 23:36:47 +02:00
parent fac3df2025
commit 1332c38656
1 changed files with 35 additions and 41 deletions
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74
scripts/upgrade
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@ -230,49 +230,43 @@ then
# See https://www.dokuwiki.org/install:unused_files
if [ -f "$final_path/data/deleted.files" ]; then
# Use a "sub process" to start a new shell to run these commands
# Allow to use only one "cd" and to be more efficent
(
# Move to the dokuwiki installation folder so the "official" commands can be used without adaptation
cd $final_path
# Feed output of grep[...] line by line to 'ynh_secure_remove'
# 'ynh_secure_remove' can only work file by file. Cannot work with a list
# This is a (complicated) workaround this limitation
while IFS= read -r line; do
while IFS= read -r line; do
# Added this test to reduce the spam printed by helper to the user in the webadmin.
# Should be less 'scary' to them I think
#
# number of messages = number of lines *2 (673 lines while writing this)
### grep --extended-regexp --invert-match '^($|#)' data/deleted.files | wc -l
### 673
#
# Spam sample:
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'inc/parser/spamcheck.php' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/favicon.ico' wasn't deleted because it doesn't exist.
#Info : 'lib/images/thumbup.gif' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/toolbar/code.png' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/toolbar/empty.png' wasn't deleted because it doesn't exist.
if [ -f "$line" ]; then
ynh_secure_remove --file "$line"
fi
done < <(grep --null --extended-regexp --invert-match '^($|#)' "$final_path/data/deleted.files" | xargs --null --max-args=1 || true)
# ^ ^ First < is redirection, second is process substitution.
# Source: https://tldp.org/LDP/abs/html/process-sub.html
# Added this test to reduce the spam printed by helper to the user in the webadmin.
# Should be less 'scary' to them I think
#
# number of messages = number of lines *2 (673 lines while writing this)
### grep --extended-regexp --invert-match '^($|#)' data/deleted.files | wc -l
### 673
#
# Spam sample:
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'inc/parser/spamcheck.php' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/favicon.ico' wasn't deleted because it doesn't exist.
#Info : 'lib/images/thumbup.gif' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/toolbar/code.png' wasn't deleted because it doesn't exist.
#Attention : /!\ Packager ! You provided more than one argument to ynh_secure_remove but it will be ignored... Use this helper with one argument at time.
#Info : 'lib/images/toolbar/empty.png' wasn't deleted because it doesn't exist.
if [ -f "$line" ]; then
ynh_secure_remove --file "$line"
fi
done < <(grep --null --extended-regexp --invert-match '^($|#)' "$final_path/data/deleted.files" | xargs --null --max-args=1 || true)
# ^ ^ First < is redirection, second is process substitution.
# Source: https://tldp.org/LDP/abs/html/process-sub.html
# Previous attemps if someone reads this one day
###grep --extended-regexp --invert-match '^($|#)' data/deleted.files | xargs --max-args=1 rm --verbose --force --dir 2>&1 || true
###grep --extended-regexp --invert-match '^($|#)' data/deleted.files | xargs --max-args=1 ynh_secure_remove --file 2>&1
# Previous attemps if someone reads this one day
###grep --extended-regexp --invert-match '^($|#)' data/deleted.files | xargs --max-args=1 rm --verbose --force --dir 2>&1 || true
###grep --extended-regexp --invert-match '^($|#)' data/deleted.files | xargs --max-args=1 ynh_secure_remove --file 2>&1
###grep --null --extended-regexp --invert-match '^($|#)' data/deleted.files > toto.list
###xargs --null --verbose --max-args=1 --arg-file=toto.list ynh_secure_remove 2>&1
)
fi
###grep --null --extended-regexp --invert-match '^($|#)' data/deleted.files > toto.list
###xargs --null --verbose --max-args=1 --arg-file=toto.list ynh_secure_remove 2>&1
fi
# TODO Taken from old "upgrade" script. Should check if it is needed and what it does
# Update all plugins